Base | Representation |
---|---|
bin | 10111001000101101… |
… | …10110100001000110 |
3 | 1012001122112210112100 |
4 | 23210112312201012 |
5 | 200414302132220 |
6 | 5412311532530 |
7 | 616543602621 |
oct | 134426664106 |
9 | 35048483470 |
10 | 12421130310 |
11 | 52a444a056 |
12 | 24a798a146 |
13 | 122c493b64 |
14 | 85b922db8 |
15 | 4ca709d90 |
hex | 2e45b6846 |
12421130310 has 96 divisors (see below), whose sum is σ = 33045161760. Its totient is φ = 3236212224.
The previous prime is 12421130299. The next prime is 12421130321. The reversal of 12421130310 is 1303112421.
12421130310 is a `hidden beast` number, since 1 + 242 + 113 + 0 + 310 = 666.
It is an interprime number because it is at equal distance from previous prime (12421130299) and next prime (12421130321).
It is a super-2 number, since 2×124211303102 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694156 + ... + 711824.
It is an arithmetic number, because the mean of its divisors is an integer number (344220435).
Almost surely, 212421130310 is an apocalyptic number.
12421130310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12421130310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16522580880).
12421130310 is an abundant number, since it is smaller than the sum of its proper divisors (20624031450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12421130310 is a wasteful number, since it uses less digits than its factorization.
12421130310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17862 (or 17859 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 12421130310 its reverse (1303112421), we get a palindrome (13724242731).
The spelling of 12421130310 in words is "twelve billion, four hundred twenty-one million, one hundred thirty thousand, three hundred ten".
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